Home / 147,851,389.44-203,953,002.24-85,964,885.76

Finding the Fourth Proportional to 147,851,389.44, 203,953,002.24 and 85,964,885.76

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Solution

The fourth proportional to 147,851,389.44, 203,953,002.24 and 85,964,885.76 is: 118,583,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,851,389.44 : 203,953,002.24 = 85,964,885.76 : x
  2. Step 2: Convert to fraction form
    147,851,389.44/203,953,002.24 = 85,964,885.76/x
  3. Step 3: Cross multiply
    147,851,389.44x = 203,953,002.24 × 85,964,885.76
  4. Step 4: Simplify right side
    147,851,389.44x = 17,532,796,537,970,626
  5. Step 5: Solve for x
    x = 17,532,796,537,970,626/147,851,389.44
  6. Step 6: Final answer
    x = 118,583,914.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.